[Boatanchors] Need magnetic shield for shaded pole motor

[rbethman]

John,

I indeed was meaning the outer copper band.  Certainly not the "inner" one.

That's the type of construction that I've seen on 75 KVA and up - pole 
mounts or pad mount.

Bob - N0DGN

On 1/2/2014 3:37 PM, J. Forster wrote:
> The layers of copper inside transformers are for electrostatic shielding
> between windings. Not magnetic. They are never connected from start to
> frinish, because that would be a shorted turn. They're entirely
> capacitive.
>
> Some transformers have a copper band wrapped around the outside of the
> core, with beginning soldered to the end of the turn. That copper layer is
> for mahnetic shielding, due to eddy currents.
>
> -John
>
> ==============